From c2a87e2733e19cc71435f36766835cb8dba56ceb Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 3 Jul 2012 01:52:51 +0000
Subject: * ruby.c (proc_options): warn if -K option is specified. [Feature
 #5206]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36274 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ruby.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'ruby.c')

diff --git a/ruby.c b/ruby.c
index 0e43503f3c..c56efe4e08 100644
--- a/ruby.c
+++ b/ruby.c
@@ -920,6 +920,7 @@ proc_options(long argc, char **argv, struct cmdline_options *opt, int envopt)
 		    opt->src.enc.name = rb_str_new2(enc_name);
 		    if (!opt->ext.enc.name)
 			opt->ext.enc.name = opt->src.enc.name;
+		    rb_warn("-K%c is specified; it is for 1.8 compatibility and may cause odd behavior", rb_tolower(*s));
 		}
 		s++;
 	    }
-- 
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